511552261316052 has 72 divisors (see below), whose sum is σ = 1420940787057792. Its totient is φ = 153884334288000.

The previous prime is 511552261316051. The next prime is 511552261316191. The reversal of 511552261316052 is 250613162255115.

511552261316052 is a `hidden beast` number, since 5 + 1 + 1 + 5 + 5 + 2 + 2 + 6 + 1 + 31 + 605 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 511552261315989 and 511552261316007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511552261316051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4714539324 + ... + 4714647827.

It is an arithmetic number, because the mean of its divisors is an integer number (19735288709136).

Almost surely, 2^{511552261316052} is an apocalyptic number.

It is an amenable number.

511552261316052 is an abundant number, since it is smaller than the sum of its proper divisors (909388525741740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511552261316052 is a wasteful number, since it uses less digits than its factorization.

511552261316052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429187309 (or 9429187304 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 511552261316052 in words is "five hundred eleven trillion, five hundred fifty-two billion, two hundred sixty-one million, three hundred sixteen thousand, fifty-two".